The Wooden Thousand Cubes provide a visual, tactile representation of multiples, particularly when used together with the Wooden Hundred Squares.  This set includes nine silk-screened wooden thousand cubes, each measuring 8.5 cm (about 3 5/16") per side and weighing 144 g (about 5 ounces).  The full set of cubes can be stored and carried in the Medium Wooden Tray, sold separately.